Summit Yachts 40
Fractional Sloop · Fin w/bulb & Spade Rudder · First built 2003
A high-performance fractional sloop designed by Mark Mills, originally launched as the King 40.
Designed by Mills Design & Mark Mills.
- LOA
- Beam
- Draft (max)
- Displacement
- Ballast
- Hull type
- Fin w/bulb & Spade Rudder
Is it for you?
Character
Where this design lands on the numbers a shopper trusts — read straight from her own ratios.
LivelyComfort 24Sea-kindly
CoastalCapsize 1.94Bluewater
LightD/L 166Heavy
EasygoingSA/D 22.1Powered-up
TenderBallast 46%Stiff
Light and lively — happiest day-sailing and coastal-hopping in settled weather.
- Draws more than ~97% of boats her size on file
Compared with 2858 boats of the same type within a quarter of her length.
The record
Full specifications
The complete reference set — tap any figure to switch between metric and imperial.
Dimensions
Weights
Ballast / displacement
46.5%
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
22.1
Displacement / length
166.1
Comfort ratio
24.0
Capsize screening
1.94
Hull speed
7.9 kn
Pounds / inch immersion
1509
Hull
Hull type
Fin w/bulb & spade rudder
Construction
Fiberglass
Ballast type
Lead
Production
Years built
First built 2003
Designer
Mills Design, Mark Mills
Builder
Summit Yachts
Boats like this, on the water
Nobody has filmed this one — but these are close.
Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.
Blue Jacket 4012.14 mSame hull familyNear-identical lengthA performance-oriented fractional sloop with a high sail area-to-displacement ratio, designed for speed and agility
Jeanneau Sun Odyssey 4012.20 mSame hull familyNear-identical lengthA 12.2-metre masthead sloop with a high sail area-to-displacement ratio, designed for spirited performance cruising
Scanmar 4012.24 mSame hull familyNear-identical lengthA masthead sloop with a 46% ballast ratio, engineered for stiff, high-performance offshore passage making
Elan Marine 41012.27 mSame hull family0.2 m longerA 12.27-metre performance cruiser with a 2.2-metre draught and a high sail-area-to-displacement ratio of 20.52
Farr Phase 412.00 mSame hull familyNear-identical lengthA Bruce Farr-designed masthead sloop built for performance with a fin keel, bulb, and spade rudder
Jeanneau Sun Odyssey 40.312.20 mSame hull familyNear-identical lengthA 12.2-metre masthead sloop featuring a 1.95-metre fin-and-bulb keel designed for stable, mid-2000s cruising
The family
Boats like this
Nearby designs by size, type, and era — worth a look alongside her.
Summit 35A high-performance fractional sloop from Mills Design featuring a powerful sail area-to-displacement ratio for competitive racingSunbeam Yachts 40.1A performance-oriented fractional sloop from J&J Yacht Design, balancing a high sail area with a stiff, modern hullX Yachts X-40A 12.19-metre cruiser with a 21.5 SA/D ratio, sharing the IMX-40 hull for offshore-capable performanceS&s 40 (1964)A successful RORC racer from Sparkman & Stephens, built in both wood and fiberglass across a twelve-year production runSwan 40 (S&S)A versatile S&S design offered with a centerboard option and a taller rig for varied cruising performanceWilderness Yachts 40A lightweight 12-metre masthead sloop with a high sail area-to-displacement ratio, designed for rapid performance
Keep looking
Nothing filmed of this one yet
Two ways to keep looking — both search what the fleet has actually recorded.
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